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MOBIQUITOUS
2005
IEEE
14 years 1 months ago
A Feedback Control Scheme for Resource Allocation in Wireless Multi-hop Ad Hoc Networks
We present a new feedback control scheme for resource allocation in wireless ad hoc environment. The congestion measure on a wireless link is symbolized as a virtual price, which ...
Wenbo He, Xue Liu, Klara Nahrstedt
TWC
2008
225views more  TWC 2008»
13 years 7 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
CORR
2010
Springer
204views Education» more  CORR 2010»
13 years 8 months ago
Optimization Framework and Graph-Based Approach for Relay-Assisted Bidirectional OFDMA Cellular Networks
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequencydivision multi...
Yuan Liu, Meixia Tao, Bin Li, Hui Shen
PIMRC
2008
IEEE
14 years 2 months ago
Resource allocation in OFDMA downlink with reduced feedback overhead
— Consider the problem of resource allocation on the downlink of a cellular OFDMA system. A fairness constraint is defined by a minimum data rate, a maximum bit-error rate and a...
Ayman Alsawah, Inbar Fijalkow
CN
2008
140views more  CN 2008»
13 years 8 months ago
Congestion control in utility fair networks
This paper deals with a congestion control framework for elastic and real-time traffic, where the user's application is associated with a utility function. We allow users to ...
Tobias Harks, Tobias Poschwatta